Pretreater with a rollerball



FIG. 1 is a perspective view of a pretreater embodying our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a sectional view taken along line 8—8 of FIG. 2. 

The ornamental design for a pretreater with a rollerball, as shown and described. 